Oyasumi Shinkai

A group of individuals wake up in a mysterious, deep-sea facility with no memory of how they arrived. They must work together to uncover the truth behind their situation while dealing with the isolation and limited resources. The environment is cold and oppressive, adding to the growing tension among the characters. Communication with the outside world is impossible, and strange occurrences hint at a larger, unknown threat. As they explore the facility, they discover clues about its purpose and their roles within it. The story unfolds through their interactions and the gradual revelation of their circumstances.